Provide the proper response.Explain why 
? A when A is negative.
What will be an ideal response?
denotes the principal, or positive square root of A2. Thus, when A is negative, 
? A. In this case 
= | A |.
Mathematics
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Use the given vectors to find the value of the indicated scalar.u = 5i + 3j, v = 8i + 6j, w = -10i - 9j; Find u ? (v + w).
A. -21 B. -77 C. -19 D. 58
Mathematics
Solve the logarithmic equation.log2x2 = log2(5x + 24)
A. {8, -3}
B. {8}
C. ?
D. 
Mathematics
Solve the equation.5.9n = -47.2
A. -8.0 B. -0.8 C. -9 D. 80
Mathematics
Fill in the blank with one of the words or phrases listed below.
A(n) 
is the set of points in a plane such that the absolute value of the difference of the distance from two fixed points is constant.
A. ellipse B. center C. hyperbola D. circle
Mathematics